Škoda 31Tr SOR is a low-floor articulated trolleybus produced in cooperation with Škoda Transportation (electrical equipment and assembly) and SOR, which supplies the body based on the bus SOR NB 18.

Škoda 31Tr SOR
Škoda 31Tr SOR in Brno, Czech Republic
Overview
ManufacturerSOR
Škoda Transportation
Body and chassis
Doors5
Floor typelow-floor
Powertrain
EngineŠkoda 2ML 3846 K/6
Capacity52 sitting
111 standing
Power output1 × 250 kW (340 hp)
Dimensions
Length18,750 mm (61 ft 6+14 in)
Width2,550 mm (8 ft 4+38 in)
Height2,900 mm (9 ft 6+18 in)
Curb weight16,000 kg (35,000 lb)

Construction features

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31Tr is derived from SOR NB 18 city bus. It is made of two rigid sections linked by a pivoting joint. Electric motor is located in the rear of the bus. Inside are used plastic Ster seats. Rear axle is VOITH brand, as well as medium axle, the front axle is own[clarification needed] production with independent wheel suspension. Only rear C axle is propulsed. Body of the vehicle is welded from steel-voltage profiles, flashings from the outside and interior are lined with plastic sheeting. The floor of the bus is at a height of 360 mm above the ground. On the right side of the bus are five doors (first are narrower than other doors).

Production and operation

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Production started in 2011. In Czech and Slovak cities they replaced old high-floor trolleybuses Škoda 15Tr

Country City Year Amount Reference
  Czech Republic Brno 2015 30 [1]
Hradec Králové 2011–2013 13 [2]
  Slovakia Banská Bystrica 2015 3 [3]
Bratislava 2014–2015 70 [4]
Prešov 2011–2020 25 [5]
Žilina 2012–2013 8 [6]

References

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  1. ^ "Vozy 31Tr | Evidence DPMB | MHD Brno". www.bmhd.cz. Retrieved 30 November 2019.
  2. ^ "DP Hradec Králové: vozy 31Tr | seznam-autobusu.cz". seznam-autobusu.cz. Retrieved 30 November 2019.
  3. ^ imhd.sk. "Škoda 31 Tr SOR". imhd.sk Banská Bystrica (in Slovak). Retrieved 30 November 2019.
  4. ^ imhd.sk. "Škoda 31 Tr SOR". imhd.sk Bratislava (in Slovak). Retrieved 30 November 2019.
  5. ^ imhd.sk. "Škoda 31 Tr SOR". imhd.sk Prešov (in Slovak). Retrieved 30 November 2019.
  6. ^ imhd.sk. "Škoda 31 Tr SOR". imhd.sk Žilina (in Slovak). Retrieved 30 November 2019.
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